Home / 12,904.95-19,360.67-3,670.95

Finding the Fourth Proportional to 12,904.95, 19,360.67 and 3,670.95

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Solution

The fourth proportional to 12,904.95, 19,360.67 and 3,670.95 is: 5,507.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,904.95 : 19,360.67 = 3,670.95 : x
  2. Step 2: Convert to fraction form
    12,904.95/19,360.67 = 3,670.95/x
  3. Step 3: Cross multiply
    12,904.95x = 19,360.67 × 3,670.95
  4. Step 4: Simplify right side
    12,904.95x = 71,072,051.54
  5. Step 5: Solve for x
    x = 71,072,051.54/12,904.95
  6. Step 6: Final answer
    x = 5,507.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.